1. Dep. of Agrifood Production and Environmental Sciences; Univ. Florence; Piazzale delle Cascine 18 50144 Florence Italy
2. Center for Integrated Pest Management; North Carolina State Univ.; Raleigh NC 27606
3. Interdisciplinary Program in Agricultural and Forest Meteorology and Dep. of Agricultural Biotechnology; Seoul National Univ.; Seoul 08826 Republic of Korea
4. Independent scholar; Lange Str. 59 37139 Adelebsen Germany
5. International Potato Center (CIP); DCE Crop Systems Intensification and Climate Change (CSI-CC); Apartado 1558 Lima 12 Peru